Burner cone



July 19, 1927. 1,636,616

c. SCHEUERMANN v BURNER GONE Filed Sept. 25, 1926 lll/Agn I u@ @gmc/1 L or/ @hariw ymwrmann Wgv'ncon/ 9L Patented July 19, 1927.

CHARLES SCHEUERMANN, F MOBILE AMBA-MA.

BURNER coma.

Application filed September 25, 1928. Serial No. 1373508.

This invention relates to burner cones and has :tor an object to provide an improvedair-inlet cone whereby the ox gen-supplyin air to the burner will be su jected to ot a rotating and axial movement in the direction of the projected flame with the result that the combustion Will be more complete.

Another object of the invention resides in providing an improved cone with angular slots therein for setting up in the incoming air a whirling action to cause a quicker, more eiiicient and intimate mixture of the gases and oil and consequently a hotter 'flame with greater economy of fuel.

With the :foregoing and other objects in View, the invention Will be more fully described` hereinafter, and Will be more particularly pointed out in the claims appended hereto.

in the drawings, wherein like symbols refer to like yor corresponding parts through the several views,

Figure 1 is a section taken through a burner construction and fragmentary furnace front, showing the improved conev in elevation;

Figure 2 is a plan view of the improved cone on an enlarged scale;

Figure 3 is a section. taken on the line 3-3 in Figure 2; and

Figure 4 is a section, taken on the line l-- in Figure 3.-

casing.

cone can be adjusted 21 connect such sleeve spaces 22 between the "The outer cone terminates in a conical 11p 17 bridging the gap between the furnace front and the adjacent Wall 6 of the axially about the burner and also longitudinally of the pipe 13 to bring it to dierent positions with respect to the projected conical Flame from the burner 14. The outer diameter of the sleeve 19 is less than the diameter of' the smaller opening of the inner cone as indicated in Figures 2 and 3 and spaced arms with the small end of the cone leaving wide circumferential arms for the free passage of air. The outer cone has greater slant height than the inner cone. ln other Words, the outer air cone 10 has a much 'g1-ea r base angle than the inner cone 18. The@ .gir cone is placed Within the outer eenan with its smaller end disposed in d relation. to the end Wall 12 of the oute cone and with its conical surface extp'osed partially to the outer slots 11 Where. by direct the incoming air through these 'Referring more particularly to the dravvipyier slots to the enclosed space adjacentthe ings, 4 designates a furnace front having the opening therein through which the flame is directed. An air casing. comppsed of the inner 'and outer Walls 6 and 7 .nd the .transverse joining Wall 8 is provided as usual in front of the furnace 'opening 5 -and the space Withini the air casing yis adapted to receive air from the atmosphere under the control of the dampers 9. In the casing is an outer air cone 10 having slots 11 therein which extend axially of the burner nozzle or in the direction of projection of the flame. The outer cone/10 is made with the end Wall 12 at its small end adapted to fit about the fuelsupply pipe 13 which carries upon its inner end ,the burner head 14. At its Wider end the outer cone 10 is made with a cylindrical portion 15 having at its outer -edge the outwardly extending 16 for engaging against theyouter face of the wall 6 of the casing, it

cone and burner .and

d /wa-ll 12 whereby such air may passv through the circumferential slots 22- and. pass to the head of the burner 14. These currents of air will pass axially of the burner and directly into the conical fiame projected therefrom. The inclination of the inner cone 18 will direct the air to the smaller end of this inner cone. cone 18 is also provided with the air slots 23. These air slots are angular with respect to radii and with respect to the axis of the The inner they are elongated whereby to admit the air in sheets which sheets intersect the projected axis of the burner and Supply pipe at an angleto such axis. Such slots 23 are traced by substantially straight lines upon the surface of the cone and they subject the air entering through fiar/ige /such slots toa whirling or rotating effect. As shown in Figure 4 the inner Wall 24 being understood of each/slot'23 is radial while the opposite Zit) that this Wall 6 is provided with an opening outer wall 25 is arran ed on an inclination A through which the cylindrical portion the radial in Whichtl e inclination is from a wider outer slot opening to an inner 'narrower slot opening. This causes the air base of the cone on account of the elongation of this wall on a conical surface, but it will deflect the air off the axis of the cone as indicated ,by the dotted lines in Figure Il -and against the stream of air coming down from the abrupt or right angular wall 24. This will have a rotating effect upon the air about the conical sheet of'flame which extends very close to the inner wall of the inner coneI 18. This effect Will tend to 'centralize the flame and to prevent it vfrom coming in contact with the cone 18 and consequently i the cone 18 will be kept cooler and its life will be for this reason longer. The end walls QGof the slots 23 which are next the truncated apex of the cone are also inclined from the outer surface inwardly toward the base of the cone for the purpose of forcing the air in the general direction longitudinally of the slots 23 giving an impetus to the air in the direction of the projected Haine and thus adding force to the flame. These end walls 26 are elongated in construction and on account of their presence on the surface of the cone they will also tend to set up a rotating e'ect in the air currents.

Itwill be noted that the slots 11in the outer cone are substantially straight while the slots 23 in the inner cone 18 are diagonal. This construction insures the air coming in throughthe slots 11 striking relatively large areas of the inner cone 18 without pciiiiitting the air to pass directly froin'one slot into another. In other words, the air is circulated 'over the surface of the inner cone 18 thus further vserving to keep this cone cool.

4he deflected downwardly into the flame and not to escape along the spacebetween the flame and cone..

4The air is thus 'subjected to a whirling motion and the flame is kept from the sides of' the inner coney 18 and `is caused to burn in the center and thereby a quicker, better and more efficient atomization and combus-v tion is caused to take place in the burner tip.. The better mixture of the gases and oils makes for a greater saving of the 'fuel and furthermore, the combustion is attended with less smoke. The device is particularly applicable to the Coen flame cones.

It will be obvious that many changes in the construction,combination and arrangementof parts conldbe made, which could be used without departing from the spirit of the invention, and I d0 not mean to limit the invention to such details, except as particularly pointed out in the claims.

Having thus described my invention, what I claim and desire to secure by Letters Pat-.-

ent of tlie United States is:

1. A' burner construction comprising an outer slotted conc., a. burnertherewithin, and

an inner slotted cone within the outer lcone and-about the burnerysaid'inner.cone having end openings therein for receivmg air through the slots ofthe outer cone, andthe inner cone flaring toward the outer. cone to restrict the passage between the cones.

SLA burner construction,comprising an out-cr slotted cone, a burner therewithin, an inner cone extending about said burner and within the outer cone, said inner coneJ have ing diagonal slots therein, said slots cach.,

having one side Wall disposed radially and having the other side Wall sloping inward- ,lytoward said radial Wall.

3. A burner construction comprising an,l

outer slotted cone, an innerslotted cone, a burner extending within both cones, said inner cone 'having slots extending therethrough and traced on substantially straight lines on the conical surface, said slots having abrupt end walls toward the wider end of the cone and sloping end walls toward the smaller end of the cone, said slots being wider on'the outer surface of the cone and gradually narrowing toward the inner sur- CHARLES A SCHEUERMANN. .p 

